Frederick-Dugan, Amy
Acquisition and generalization of purchasing skills using a calculator by students who are mentally retarded
- 381-387
- 1991 26, No. 4
Junio 1992
= EDUCATION AND TRAINING IN MENTAL RETARDATION
CALCULADORAS GENERALIZACION METODOS DE ENSE\197ANZA PODER ADQUISITIVO RETRASO MENTAL MODERADO